Panasonic KX-TGA20B Accessory Key Dectector to work with Cordless Phones

- Can attach to your car key ring or other easily misplaced items so you can forget about ever losing them ever again- Activate the key detector's beeping alarm from any compatible cordless handset - Powerful 600 foot transmission range - Register up to four key detectors and give each a distinctive name, like Dave's keys, Sharon's keys, etc.